caveman seeds are a good choice, if your ever stuck check out this seedbank list for oz https://www.weedseedsaustralia.com/oz-seeds-international-local-cannabis-seedbanks-australia/
it gets updated every so often to bring up the seed banks for australia, its mostly local or domestic whatever...
Hey man sorry to hear about your issues, for me ive been going to one website that checks the best aussie seed bank to go with currently. If you want the link its https://www.weedseedsaustralia.com/ every time a seed bank goes down for oz seeds, they update it with a replacement. Lmk how you go man